20965388785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{28297}}^1$

素因数の和:29041

約数の個数: 32

約数和(自身を含む): 28931875200

約数和(自身を除く): 7966486415

約数列:

[1, 5, 11, 19, 55, 95, 209, 709, 1045, 3545, 7799, 13471, 28297, 38995, 67355, 141485, 148181, 311267, 537643, 740905, 1556335, 2688215, 5914073, 20062573, 29570365, 100312865, 220688303, 381188887, 1103441515, 1905944435, 4193077757, 20965388785]

約数ペア:

[(1, 20965388785), (5, 4193077757), (11, 1905944435), (19, 1103441515), (55, 381188887), (95, 220688303), (209, 100312865), (709, 29570365), (1045, 20062573), (3545, 5914073), (7799, 2688215), (13471, 1556335), (28297, 740905), (38995, 537643), (67355, 311267), (141485, 148181)]